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  2. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    3LR12 (4.5-volt), D, C, AA, AAA, AAAA (1.5-volt), A23 (12-volt), PP3 (9-volt), CR2032 (3-volt), and LR44 (1.5-volt) batteries (Matchstick for reference). This is a list of the sizes, shapes, and general characteristics of some common primary and secondary battery types in household, automotive and light industrial use.

  3. Duracell - Wikipedia

    en.wikipedia.org/wiki/Duracell

    Duracell Inc. is an American manufacturer of alkaline batteries, specialty cells, and rechargeables; it is a wholly owned subsidiary of Berkshire Hathaway since 2016. The company has its origins in the 1920s, through the work of Samuel Ruben and Philip Mallory , and the formation of the P. R. Mallory Company .

  4. Zinc–air battery - Wikipedia

    en.wikipedia.org/wiki/Zinc–air_battery

    Zinc–air hearing aid batteries PR70 from both sides. Left side: Anode and gasket. Right side: Cathode and inlet opening for the atmospheric oxygen. A zinc–air battery is a metal–air electrochemical cell powered by the oxidation of zinc with oxygen from the air.

  5. P. R. Mallory and Co Inc - Wikipedia

    en.wikipedia.org/wiki/P._R._Mallory_and_Co_Inc

    P. R. Mallory and Co Inc was a US producer of dry cell batteries (Mercury; alkaline Duracell), electronic components including electrolytic capacitors, and audible warning devices ("Sonalert"). It also was the parent firm of Mallory Batteries Ltd. , an Irish producer of Ever Ready batteries.

  6. Samuel Ruben - Wikipedia

    en.wikipedia.org/wiki/Samuel_Ruben

    Samuel Ruben (14 July 1900 – 16 July 1988) was an American inventor who made lasting contributions to electrochemistry and solid-state technology, including the founding of Duracell. He is listed as an inventor in over 200 patents.

  7. AA battery - Wikipedia

    en.wikipedia.org/wiki/AA_battery

    AA cells. The AA battery (or double-A battery) is a standard size single cell cylindrical dry battery.The IEC 60086 system calls the size R6, and ANSI C18 calls it 15. [1] It is named UM-3 by JIS of Japan. [2]

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